Model Optimasi Produksi Tambak Udang Berbasis Daya Dukung Perairan
Abstract
Tujuan penelitian adalah untuk menentukan kapasitas produksi dan luas blahan optimal tambak udang intensif berdasarkan daya dukung perairan pesisir Kecamatan Banyuputih dengan permodelan sistem dinamis.Analisis otimasi produksi tambak udang intensif dilakukan dengan pendekatan permodelan sistem dinamis menggunakan alat bantu software Stella ver. 9.02. Variabel yang disimulasi pada analisa pemodelan ini adalah variabel kapasitas oksigen perairan, kuantitas limbah budidaya, biomassa udang, bobot rata-rata udang, dan prosentase tingkat kelulushidupan udang selama satu siklus budidaya. Hasil simulasi model dinamis menunjukkan bahwa sistem budidaya udang intensif padat tebar (110 ekor/m2) dengan penerapan 2 (dua) kali panen parsial (pada saat umur udang 70 hari dan 90 hari) menghasilkan produktifitas biomassa udang yang paling optimal serta beban limbah TSS pada perairan pesisir yang paling kecil (sedikit) dibandingkan dengan sisitem budidaya intensif dengan tingkat padat tebar (130 ekor/m2), (150 ekor/m2), dan (170 ekor/m2). Penerapan sisitem bididaya dengan padat 110 ekor/m2 memberikan tingkat daya dukung optimal perairan untuk pengembangan lahan tambak udang intensif seluas 45 ha atau 65.4% dari daya dukung maksimal perairan (67,8 ha)dengan kapasitas produksi optimal sebesar 1.165.327,43 kg udang
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